Home / 8,158.35-12,237.99-2,314.50

Finding the Fourth Proportional to 8,158.35, 12,237.99 and 2,314.50

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Solution

The fourth proportional to 8,158.35, 12,237.99 and 2,314.50 is: 3,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.35 : 12,237.99 = 2,314.50 : x
  2. Step 2: Convert to fraction form
    8,158.35/12,237.99 = 2,314.50/x
  3. Step 3: Cross multiply
    8,158.35x = 12,237.99 × 2,314.50
  4. Step 4: Simplify right side
    8,158.35x = 28,324,827.86
  5. Step 5: Solve for x
    x = 28,324,827.86/8,158.35
  6. Step 6: Final answer
    x = 3,471.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.